[Intel-gfx] [PATCH 1/7] drm: Renaming DP training vswing pre emph defines

Damien Lespiau damien.lespiau at intel.com
Mon Aug 11 18:59:52 CEST 2014


On Fri, Aug 08, 2014 at 04:23:40PM +0530, sonika.jindal at intel.com wrote:
> From: Sonika Jindal <sonika.jindal at intel.com>
> 
> Adding new defines, older one will be removed in the last patch in the series.
> This is to rename the defines to have levels instead of values for vswing and
> pre-emph levels as the values may differ in other scenarios like low vswing of
> eDP1.4 where the values are different.
> 
> Done using following cocci patch for each define:
> @@
> @@
> 
>  # define DP_TRAIN_VOLTAGE_SWING_400     (0 << 0)
> + # define DP_TRAIN_VOLTAGE_SWING_LEVEL_0     (0 << 0)
> 
> ...
> Cc: dri-devel at lists.freedesktop.org
> 
> Signed-off-by: Sonika Jindal <sonika.jindal at intel.com>


Reviewed-by: Damien Lespiau <damien.lespiau at intel.com>

-- 
Damien

> ---
>  include/drm/drm_dp_helper.h |    8 ++++++++
>  1 file changed, 8 insertions(+)
> 
> diff --git a/include/drm/drm_dp_helper.h b/include/drm/drm_dp_helper.h
> index a21568b..3840a05 100644
> --- a/include/drm/drm_dp_helper.h
> +++ b/include/drm/drm_dp_helper.h
> @@ -191,15 +191,23 @@
>  # define DP_TRAIN_VOLTAGE_SWING_SHIFT	    0
>  # define DP_TRAIN_MAX_SWING_REACHED	    (1 << 2)
>  # define DP_TRAIN_VOLTAGE_SWING_400	    (0 << 0)
> +# define DP_TRAIN_VOLTAGE_SWING_LEVEL_0 (0 << 0)
>  # define DP_TRAIN_VOLTAGE_SWING_600	    (1 << 0)
> +# define DP_TRAIN_VOLTAGE_SWING_LEVEL_1 (1 << 0)
>  # define DP_TRAIN_VOLTAGE_SWING_800	    (2 << 0)
> +# define DP_TRAIN_VOLTAGE_SWING_LEVEL_2 (2 << 0)
>  # define DP_TRAIN_VOLTAGE_SWING_1200	    (3 << 0)
> +# define DP_TRAIN_VOLTAGE_SWING_LEVEL_3 (3 << 0)
>  
>  # define DP_TRAIN_PRE_EMPHASIS_MASK	    (3 << 3)
>  # define DP_TRAIN_PRE_EMPHASIS_0	    (0 << 3)
> +# define DP_TRAIN_PRE_EMPH_LEVEL_0		(0 << 3)
>  # define DP_TRAIN_PRE_EMPHASIS_3_5	    (1 << 3)
> +# define DP_TRAIN_PRE_EMPH_LEVEL_1		(1 << 3)
>  # define DP_TRAIN_PRE_EMPHASIS_6	    (2 << 3)
> +# define DP_TRAIN_PRE_EMPH_LEVEL_2		(2 << 3)
>  # define DP_TRAIN_PRE_EMPHASIS_9_5	    (3 << 3)
> +# define DP_TRAIN_PRE_EMPH_LEVEL_3		(3 << 3)
>  
>  # define DP_TRAIN_PRE_EMPHASIS_SHIFT	    3
>  # define DP_TRAIN_MAX_PRE_EMPHASIS_REACHED  (1 << 5)
> -- 
> 1.7.10.4
> 
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